18k Gold w/ Large Opal & Diamond Necklace

18k Gold w/ Large Opal & Diamond Necklace, marked 750, approx 15.7g total weight -

Vintage Large and Magnificent Oval Cabochon Opal, Round Brilliant Cut Diamond and 18 Karat Yellow Gold Necklace. Opal measures 1-1/8" L, 13/16" W. Diamonds F-G color, VS1-VS2 clarity. Stamped 750. Mea

83.10ct Yellow-Orange Fire Opal, 11.25ctw Multi-Color Tourmaline, 2.25ctw VS1-VS2 Multi-Colored Diamond & Solid 18K Yellow Gold 18" Necklace (W/$30,000 Appraisal) - This stunning necklace was finely c

Magerit Babylon 24.50ct Blue Topaz, Mother of Pearl and Solid 18K White Gold Caramelo Large Necklace W/0.25ctw Diamond Accents - This beautiful Caramelo Large necklace from Spanish luxury jewelry hous

Magerit Babylon 21mm Amethyst, Mother of Pearl and Solid 18K White Gold 20" Caramelo Large Necklace W/0.25ctw Diamond Accents - This beautiful Caramelo necklace from Spanish luxury jewelry house Mager

18k yellow gold; Pendant stamped: PAF / British Assay marks; Necklace stamped: Gioconeli / 750 / Assay marks Including a rigid collar necklace (0.375" W x 15.0" L) with a detachable pendant by design

A vintage Gia pierced carving set of 18 K Gold jewelry necklace with a pendant. The necklace is made in a chain design and adorned with a large hand carved coral pendant made in the shape of a face su

13mm Black Opal & Solid 18K White Gold 18" Necklace W/Diamond Accents - This lovely necklace was finely crafted of solid 18k white gold and is comprised of a 0.75" pendant which hangs on an 18" chain.

18K Gold Diamond Emerald Bow Necklace. Large Pierced Yellow Gold Bow form with diamonds & emeralds. Marked 18K. Thin light chain marked 585. Bow is 1"h x 2.5" w.-- Dimensions: --- Weight: 8 DWT --- US

22K yellow gold necklace by Gurhan Orhan, Turkey, featuring large round textured disc pendant with variously shaped bezel set Australian opals, width of pendant 1.5 in. W, custom chain set with 90 dia

Tiffany & Co. Tiffany T 0.19ctw VS1-VS2/F-G Diamond and Solid 18K Yellow Gold Large Smile Pendant Necklace W/Pouch - This lovely necklace from the Tiffany & Co. Tiffany T collection is the Large Smile

GIA certified 5.51 G boulder opal pendant hung on an 18K yellow gold black diamond beaded necklace. Center stone set in a white + yellow metal pendant w/numerous near colorless round brilliants. Measu

Edwardian 18k gold opal and diamond necklace, 17" chain with small center piece holding chain two round pendant measuring 9/16" in diameter, fifteen mine cut diamonds measuring between 0.04 to 0.06 ca

Antique 14K Gold Pendant/Brooch with Large Opal and Diamonds. Condition: Excellent. Dimensions: 1.6" x 1.4". Weight: 9dwt / 14g. Provenance: From a Long Island, NY Home. Please note the absence of a C

18k Yellow Gold Opal and Diamond Necklace. Pendant set with diamond in weight of about 0.03ct and opal (8x6mm). Marked. Chain length: 41cm. Pendant: 22x7mm. 5.85gr.

Stunning 18k white gold diamond pave bypass collar necklace with large removable emerald and diamond drop/pendant. The necklace is set with 250 round brilliant cut natural diamonds ranging in size fro

18K Gold and Large Mine Cut Diamond Necklace. The Diamond is at Least 1ct. Condition: Excellent. Dimensions: Chain L- 16". Weight: 4.4g / 2.8dwt. Provenance: From a Long Island, NY Home. Please note t

18K and 14K white gold Australian opal and diamond pendant necklace, pendant with one 16.65ct. oval-cut 25 x 21mm Australian opal accented with six round brilliant-cut diamonds approx: 0.12 ct tw., co

Edwardian ring made of 18K Yellow Gold (marked) and set in its center with an oval cut Opal flanked by a halo of diamonds weighing a total of approximately 0.1 Carats. Front dimensions: approximately

This set of (2) earrings contain 2 boulder opals, 2 (1/16 carat) diamonds, and an additional 40 very tiny diamonds total. The weight is 12 grams and dimensions are 20mm X 30mm. Winner shall receive th

Authentic! Chopard 18k White Gold Large Happy Spirit Heart Diamond Necklace Authentic! Chopard 18k White Gold Large Happy Spirit Heart Diamond Necklace Product Description About This Piece: Metal: 18k

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.15ctw. Opal. MEASUREMENTS: Necklace is 18" long, pendant - 50mm long x 28mm. MARKED: Illegible designers marks, Joiers, B-193 750. WEIGHT: 28.9 gram

METAL: 18k gold. MEASUREMENTS: size 7, ring top is 30mm x 24mm. GEMSTONES: approx 0.65ctw (VS/H) opal. MARKED: 363, 2205, 18k, 750. WEIGHT: 13.2 grams. Gemstones have not been graded for color and cla

An Iranian Persian Pahlavi gold coin pendant necklace. The Pahlavi gold coin is surrounded by a band of 20 faceted cut diamonds plus an additional 3 diamonds adorning the bail. The pendant is suspende